import java.util.*;
public class Main {
    public static void main(String[] args) {
    double a=0,b=0,c=0;
    a=12;
    b=24;
    c=Math.asin(0.56);
    System.out.println(c);
    c=Math.cos(3.14);
    System.out.println(c);
    c=Math.exp(1);
    System.out.println(c);
    c=Math.log(8);
    System.out.println(c);
      
    }
}